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   <div id="projectname">Nfc Info
   
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   <div id="projectbrief">Shows all information about NFC tags available through Qt Mobility APIs. Includes reusable convenience classes for handling additional tag types: Smart Poster, Image and vCard.</div>
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<div class="title">nfcinfo.h</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/****************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment">**</span>
<a name="l00003"></a>00003 <span class="comment">** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00004"></a>00004 <span class="comment">** All rights reserved.</span>
<a name="l00005"></a>00005 <span class="comment">** Contact: Andreas Jakl (andreas.jakl@nokia.com)</span>
<a name="l00006"></a>00006 <span class="comment">**</span>
<a name="l00007"></a>00007 <span class="comment">** This file is part of an NFC example for Qt Mobility.</span>
<a name="l00008"></a>00008 <span class="comment">**</span>
<a name="l00009"></a>00009 <span class="comment">** $QT_BEGIN_LICENSE:BSD$</span>
<a name="l00010"></a>00010 <span class="comment">** You may use this file under the terms of the BSD license as follows:</span>
<a name="l00011"></a>00011 <span class="comment">**</span>
<a name="l00012"></a>00012 <span class="comment">** &quot;Redistribution and use in source and binary forms, with or without</span>
<a name="l00013"></a>00013 <span class="comment">** modification, are permitted provided that the following conditions are</span>
<a name="l00014"></a>00014 <span class="comment">** met:</span>
<a name="l00015"></a>00015 <span class="comment">**   * Redistributions of source code must retain the above copyright</span>
<a name="l00016"></a>00016 <span class="comment">**     notice, this list of conditions and the following disclaimer.</span>
<a name="l00017"></a>00017 <span class="comment">**   * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00018"></a>00018 <span class="comment">**     notice, this list of conditions and the following disclaimer in</span>
<a name="l00019"></a>00019 <span class="comment">**     the documentation and/or other materials provided with the</span>
<a name="l00020"></a>00020 <span class="comment">**     distribution.</span>
<a name="l00021"></a>00021 <span class="comment">**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor</span>
<a name="l00022"></a>00022 <span class="comment">**     the names of its contributors may be used to endorse or promote</span>
<a name="l00023"></a>00023 <span class="comment">**     products derived from this software without specific prior written</span>
<a name="l00024"></a>00024 <span class="comment">**     permission.</span>
<a name="l00025"></a>00025 <span class="comment">**</span>
<a name="l00026"></a>00026 <span class="comment">** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00027"></a>00027 <span class="comment">** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00028"></a>00028 <span class="comment">** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00029"></a>00029 <span class="comment">** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00030"></a>00030 <span class="comment">** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00031"></a>00031 <span class="comment">** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00032"></a>00032 <span class="comment">** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<a name="l00033"></a>00033 <span class="comment">** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<a name="l00034"></a>00034 <span class="comment">** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00035"></a>00035 <span class="comment">** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00036"></a>00036 <span class="comment">** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&quot;</span>
<a name="l00037"></a>00037 <span class="comment">** $QT_END_LICENSE$</span>
<a name="l00038"></a>00038 <span class="comment">**</span>
<a name="l00039"></a>00039 <span class="comment">****************************************************************************/</span>
<a name="l00040"></a>00040 <span class="preprocessor">#ifndef NFCINFO_H</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#define NFCINFO_H</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;QObject&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;QDebug&gt;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &lt;QUrl&gt;</span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;qnearfieldmanager.h&gt;</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include &lt;qndeffilter.h&gt;</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include &lt;qnearfieldtarget.h&gt;</span>
<a name="l00050"></a>00050 <span class="preprocessor">#include &lt;qndefmessage.h&gt;</span>
<a name="l00051"></a>00051 <span class="preprocessor">#include &lt;qndefrecord.h&gt;</span>
<a name="l00052"></a>00052 <span class="preprocessor">#include &lt;qndefnfcurirecord.h&gt;</span>
<a name="l00053"></a>00053 <span class="preprocessor">#include &lt;qndefnfctextrecord.h&gt;</span>
<a name="l00054"></a>00054 <span class="preprocessor">#include &lt;qnearfieldtagtype1.h&gt;</span>
<a name="l00055"></a>00055 <span class="preprocessor">#include &lt;qnearfieldtagtype2.h&gt;</span>
<a name="l00056"></a>00056 <span class="preprocessor">#include &quot;ndefnfcmimeimagerecord.h&quot;</span>
<a name="l00057"></a>00057 <span class="preprocessor">#include &quot;ndefnfcsprecord.h&quot;</span>
<a name="l00058"></a>00058 <span class="preprocessor">#include &quot;ndefnfcmimevcardrecord.h&quot;</span>
<a name="l00059"></a>00059 
<a name="l00060"></a>00060 <span class="comment">// Image handling</span>
<a name="l00061"></a>00061 <span class="preprocessor">#include &lt;QImage&gt;</span>
<a name="l00062"></a>00062 <span class="preprocessor">#include &quot;tagimagecache.h&quot;</span>
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 <span class="comment">// VCard reading</span>
<a name="l00065"></a>00065 <span class="preprocessor">#include &lt;QContact&gt;</span>
<a name="l00066"></a>00066 <span class="preprocessor">#include &lt;QContactDetail&gt;</span>
<a name="l00067"></a>00067 <span class="preprocessor">#include &lt;QVariantMap&gt;</span>
<a name="l00068"></a>00068 <span class="preprocessor">#include &lt;QContactThumbnail&gt;</span>
<a name="l00069"></a>00069 
<a name="l00070"></a>00070 <span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#include &quot;nfcsettings.h&quot;</span>
<a name="l00072"></a>00072 <span class="preprocessor">#endif</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>
<a name="l00074"></a>00074 QTM_USE_NAMESPACE
<a name="l00075"></a>00075 
<a name="l00095"></a><a class="code" href="class_nfc_info.html">00095</a> <span class="keyword">class </span><a class="code" href="class_nfc_info.html" title="The NfcInfo class manages the interaction with the Nfc hardware, parses the tags and emits informatio...">NfcInfo</a> : <span class="keyword">public</span> QObject
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097     Q_OBJECT
<a name="l00098"></a>00098 <span class="keyword">public</span>:
<a name="l00099"></a>00099     <span class="keyword">explicit</span> <a class="code" href="class_nfc_info.html" title="The NfcInfo class manages the interaction with the Nfc hardware, parses the tags and emits informatio...">NfcInfo</a>(QObject *parent = 0);
<a name="l00100"></a>00100 
<a name="l00101"></a>00101 signals:
<a name="l00103"></a>00103     <span class="keywordtype">void</span> <a class="code" href="class_nfc_info.html#ab8520100ca496a52fe0a87b1b8aacd2e">nfcStatusUpdate</a>(<span class="keyword">const</span> QString&amp; nfcStatusText);
<a name="l00105"></a>00105     <span class="keywordtype">void</span> <a class="code" href="class_nfc_info.html#a942b9307fe06ebc8bb49a2a7df5e4f98">nfcStatusError</a>(<span class="keyword">const</span> QString&amp; nfcStatusErrorText);
<a name="l00107"></a>00107     <span class="keywordtype">void</span> <a class="code" href="class_nfc_info.html#a4606bb617667c34b9c26b2789a73e53a">nfcInfoUpdate</a>(<span class="keyword">const</span> QString&amp; nfcInfoText);
<a name="l00109"></a>00109     <span class="keywordtype">void</span> <a class="code" href="class_nfc_info.html#a0f0785dee49dcc17792ae84804965add">nfcTagContents</a>(<span class="keyword">const</span> QString&amp; <a class="code" href="class_nfc_info.html#a0f0785dee49dcc17792ae84804965add">nfcTagContents</a>);
<a name="l00113"></a>00113     <span class="keywordtype">void</span> <a class="code" href="class_nfc_info.html#a759e842a08d75b2658f727d47068c730">nfcTagImage</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> nfcImgId);
<a name="l00115"></a>00115     <span class="keywordtype">void</span> <a class="code" href="class_nfc_info.html#a6bcf867555cecd04e4cea39875d7a2b8">nfcTagError</a>(<span class="keyword">const</span> QString&amp; <a class="code" href="class_nfc_info.html#a6bcf867555cecd04e4cea39875d7a2b8">nfcTagError</a>);
<a name="l00116"></a>00116 
<a name="l00117"></a>00117 <span class="keyword">public</span> slots:
<a name="l00118"></a>00118     <span class="keywordtype">bool</span> <a class="code" href="class_nfc_info.html#a20c5d7955339faa2cbc0a8f7a0f42f11" title="Check if NFC is supported by the device and if it is activated.">checkNfcStatus</a>();
<a name="l00119"></a>00119     <span class="keywordtype">bool</span> <a class="code" href="class_nfc_info.html#aa872ff46ad5c0c80c3119d5ccfed4674" title="Initialize the NFC access for NDEF targets and start target detection.">initAndStartNfc</a>();
<a name="l00120"></a>00120     <span class="keywordtype">bool</span> <a class="code" href="class_nfc_info.html#aea0a67147285a08a05f86108a9b68a7d" title="Create the message for writing to the tag and attempt to write it.">nfcWriteTag</a>(<span class="keyword">const</span> QString&amp; nfcTagText);
<a name="l00121"></a>00121 
<a name="l00122"></a>00122 <span class="keyword">public</span>:
<a name="l00123"></a>00123     <span class="keywordtype">void</span> <a class="code" href="class_nfc_info.html#a7ca1253d5b232e51f13648ffb26ae311">setImageCache</a>(<a class="code" href="class_tag_image_cache.html" title="Caches any images found on tags in memory, for retrieval and display in the QML user interface...">TagImageCache</a>* tagImageCache);
<a name="l00124"></a>00124 
<a name="l00125"></a>00125 <span class="keyword">private</span> slots:
<a name="l00126"></a>00126     <span class="keywordtype">void</span> targetDetected(QNearFieldTarget *target);
<a name="l00127"></a>00127     <span class="keywordtype">void</span> ndefMessageRead(<span class="keyword">const</span> QNdefMessage &amp;message);
<a name="l00128"></a>00128     <span class="keywordtype">void</span> ndefMessageWritten();
<a name="l00129"></a>00129     <span class="keywordtype">void</span> requestCompleted(<span class="keyword">const</span> QNearFieldTarget::RequestId &amp; <span class="keywordtype">id</span>);
<a name="l00130"></a>00130     <span class="keywordtype">void</span> targetError(QNearFieldTarget::Error error, <span class="keyword">const</span> QNearFieldTarget::RequestId &amp;<span class="keywordtype">id</span>);
<a name="l00131"></a>00131 
<a name="l00132"></a>00132     <span class="keywordtype">void</span> targetLost(QNearFieldTarget *target);
<a name="l00133"></a>00133 
<a name="l00134"></a>00134 <span class="keyword">private</span>:
<a name="l00135"></a>00135     QString analyzeTarget(QNearFieldTarget *target);
<a name="l00136"></a>00136 
<a name="l00137"></a>00137     QString parseUriRecord(<span class="keyword">const</span> QNdefNfcUriRecord &amp;record);
<a name="l00138"></a>00138     QString parseTextRecord(<span class="keyword">const</span> QNdefNfcTextRecord &amp;record);
<a name="l00139"></a>00139     QString textRecordToString(<span class="keyword">const</span> QNdefNfcTextRecord &amp;textRecord);
<a name="l00140"></a>00140     QString parseSpRecord(<span class="keyword">const</span> <a class="code" href="class_ndef_nfc_sp_record.html" title="Handles the Smart Poster meta-record and is able to both parse and assemble a smart poster according ...">NdefNfcSpRecord</a> &amp;record);
<a name="l00141"></a>00141     QString parseImageRecord(<span class="keyword">const</span> <a class="code" href="class_ndef_nfc_mime_image_record.html" title="Handles all image-related MIME media-type constructs.">NdefNfcMimeImageRecord</a> &amp;record);
<a name="l00142"></a>00142     QString parseVcardRecord(<a class="code" href="class_ndef_nfc_mime_vcard_record.html" title="Handles the vCard record of the MIME record type.">NdefNfcMimeVcardRecord</a> &amp;record);
<a name="l00143"></a>00143 
<a name="l00144"></a>00144     <span class="keywordtype">bool</span> writeCachedNdefMessage();
<a name="l00145"></a>00145 
<a name="l00146"></a>00146     QString convertTargetErrorToString(QNearFieldTarget::Error error);
<a name="l00147"></a>00147     QString convertTagTypeToString(<span class="keyword">const</span> QNearFieldTarget::Type type);
<a name="l00148"></a>00148     QString convertRecordTypeNameToString(<span class="keyword">const</span> QNdefRecord::TypeNameFormat typeName);
<a name="l00149"></a>00149 
<a name="l00150"></a>00150 
<a name="l00151"></a>00151 <span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
<a name="l00152"></a>00152 <span class="preprocessor"></span><span class="keyword">private</span> slots:
<a name="l00153"></a>00153     <span class="comment">// Check for NFC Support</span>
<a name="l00154"></a>00154     <span class="keywordtype">void</span> handleNfcError(NfcSettings::NfcError nfcError, <span class="keywordtype">int</span> error);
<a name="l00155"></a>00155     <span class="keywordtype">void</span> handleNfcModeChange(NfcSettings::NfcMode nfcMode);
<a name="l00156"></a>00156 <span class="keyword">private</span>:
<a name="l00157"></a>00157     NfcSettings* nfcSettings;
<a name="l00158"></a>00158 <span class="preprocessor">#endif</span>
<a name="l00159"></a>00159 <span class="preprocessor"></span>
<a name="l00160"></a>00160 <span class="keyword">private</span>:
<a name="l00161"></a>00161     QNearFieldManager *nfcManager;
<a name="l00162"></a>00162     QNearFieldTarget *cachedTarget;
<a name="l00165"></a>00165     <span class="keywordtype">bool</span> pendingWriteNdef;
<a name="l00167"></a>00167     QNdefMessage cachedNdefMessage;
<a name="l00170"></a>00170     QNearFieldTarget::RequestId cachedRequestId;
<a name="l00172"></a>00172     <a class="code" href="class_tag_image_cache.html" title="Caches any images found on tags in memory, for retrieval and display in the QML user interface...">TagImageCache</a>* imgCache;    <span class="comment">// Not owned by this class</span>
<a name="l00173"></a>00173 };
<a name="l00174"></a>00174 
<a name="l00175"></a>00175 <span class="preprocessor">#endif // NFCINFO_H</span>
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